ci: improve release please config (#431)

.github/workflows/release-please.yml

@@ -12,10 +12,18 @@ jobs:
   release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
+
+      - name: Create GitHub App token
+        uses: actions/create-github-app-token@v2
+        id: app-token
+        with:
+          app-id: '${{ secrets.CR_APP_CI_APP_ID }}'
+          private-key: '${{ secrets.CR_APP_CI_PRIVATE_KEY }}'
+          owner: '${{ env.FLUX_OWNER }}'
+          repositories: '${{ env.FLUX_REPO }}'
 
       - name: Release Please
         uses: googleapis/release-please-action@v4
         with:
-          token: ${{ secrets.GITHUB_TOKEN }}
+          token: '${{ steps.app-token.outputs.token }}'
-          release-type: python

.release-please-manifest.json

@@ -0,0 +1 @@
+{".":"0.1.5"}

release-please-config.json

@@ -0,0 +1,9 @@
+{
+  "$schema": "https://raw.githubusercontent.com/googleapis/release-please/main/schemas/config.json",
+  "packages": {
+    ".": {
+      "release-type": "python",
+      "bump-minor-pre-major": true
+    }
+  }
+}